Bagging-machine



(No Model.)

F. L. FURBUSH.

BAGGING MACHINE. I 4 No. 594,134. Patented Nov. '23, 1897.

fee 9 6 U 28 witnesses: Inventor M5TK6u/L EM 6 Q W W Sl/ga aLa oiuvv aiforneiys.

NITED STATES FRANK L. FURBUSH, OF GRANITEVILLE, MASSACHUSETTS.

BAGGING-MACHINE. v

SPECIFICATION forming part of Letters Patent No. 594,134, dated November 23, 1897.

Application filed anuary '7, 1897. fierial No. 618,367. (No model.)

a they assume during the ascent of the plunger.

Fig. 2 is a front view of the working parts in the position they assume during the descent of the plunger.

In general arrangement my machine has a rack-bar, at the end of which is a plunger, a spring of known strength beinginterposed between the two. There is a lever with one end pivoted to the rack-bar, the middle pivoted to the plunger, and the free end pivoted to a ratchet-bar extending parallel with the rackbar. When, therefore, the actuating-pinion that meshes with the rack-bar causes the descent of that bar, the plunger, spring, lever, and ratchet-bar are carried with itto the point 1 where the resistance of the material pressed begins to compress the spring by arresting the plunger. The rack-bar keeps on,and through the medium of the leveritthrows the ratchetbar back. As the ratchet-bar is engaged by a pawl upon the belt-reversing device that device is now actuated and retracts the rackbar and its attendant parts. The effect of all this is to compress the bagged material to an exactly determined degree and automatically to release the pressure upon that degree being reached, and to do this independently of the distance through which the compressing mechanism happens to have to move to reach this degree and independently of its position relative to the rest of the machine at the point where the degree is reached -that is to say, if I am bagging wool, for instance, I may put in as little or as much as I like, and when I set the machine going the plunger will descend automatically till a certain degree of compression has been reached and then will be automatically arrested and retracted.

To proceed to the other features and the- 2 is the plunger, mounted on the lower end of the rack-bar.

3 is a spring interposed between the'rackbar and plunger and adjustable by the nut 4 to any desired tension.

7 is a bracket secured to the plunger and affording a pivot-point for the middle of the.

lever 8. One end of the lever is pivoted at '10 to the rack-bar, while the other is pivoted at 11 to the lower extremity of the ratchetbar 9. A slotted bracket 12, attached to the upper end of the rack-bar 5, furnishes a bearing for the ratchet-bar to play through. A pinion 13 meshes with the rack-bar, being mounted on a shaft 14, journaled in the frame 1. By cogs 15 and 16 motion is transmitted to the shaft 14 from the parallel shaft 17, similarly journaled. At its opposite extremity the shaft 17 bears the pulley 19, on each side of which are broad loose pulleys 18 and 20. A shift-rod 21 is held in slides 24 25, fixed to the frame 1, and has the usual beltstraps 22 23. This rod is held normally by the spring 26 in the position shown in Fig. 1, but it has also a notch 27, which in the position shown in Fig. 2 drops into the slide 24 and descent-belt is thus thrown off the pulley 19 and the ascent-belt thrown on. The plunger now rises till it is well clear'of the bag and leaves room for the removal of the bag and the reinsertion of a new one. To arrest the plunger automatically at the top of its stroke, a pin 29 is set in the shift-rod 21 in the path of a cam-plate 30 on the rack-bar 5, so that when the cam-plate strikes it the shift-rod will be moved from the position of Fig. 1 about half-way over toward the position of Fig. 2, thereby throwing 0E the ascent-belt without throwing on the descent-belt. When the new bag is in place and the material in it, the motion of the shift-rod to the position of Fig. 2 is completed by the operator by the use of the shift-handle 31 and the plunger descends. Should there be any tendency in the plunger to slip down when both belts are off, a hook 32 at the top of the rack-bar may be used to suspend it. In casting the pawl 28 the metal should be so distributed that it will hang in the position shown in the figures, so as properly to engage with the ratchet-bar.

35 is the usual cord running under the bag and around the Windlass 36, which is turned by the crank 37 for hoisting out the full bag.

What I claim as new and of my invention 1. The combination of a rack-bar, gearing for driving the same, a plunger carried by the rack-bar, a spring interposed between the rack-bar and plunger, a lever pivoted to the rack-bar and plunger, a ratchet-bar pivoted to the lever, a pawl engaging the ratchet-bar and attached to a shift-rod and fast and loose pulleys actuated thereby and actuating the gearing. 4

2. The combination of a rack-bar, gearing for driving the same in either direction, a plunger carried by the rack-bar, a spring interposed between the rack-bar and plunger,

a lever pivoted to the rack-bar and plunger, a ratchet-bar pivoted to the lever, and a pawl engaging the ratchet-bar and attached to a shift-rod and fast and loose pulleys actuated thereby and actuating the gearing.

3. The combination of a rack-bar, gearing for driving the same, a shift for actuating the gearing in either direction and for arresting it, a plunger carried by the rack-bar, a spring interposed between the rack-barand plunger, a lever pivoted to the rack-bar and plunger, a ratchet-bar pivot-ed to the lever, a pawl engaging the ratchet-bar and attached to the shift, a spring tending to reverse the shiftrod when the ratchet-bar actuates the pawl, a cam-plate on the rack-bar, and a pin on the shift-rod in the path of the cam-plate for arresting the gearing when the rack-bar has been retracted.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 2d day of January, A. D. 1897.

FRANK L. FURBUSII.

Witnesses:

CHAs. G. SARGENT, ANDREW B. MoGowN.

Corrections in Letters Patent No, 594,

It is hereby certified that in Letters Patent No. 594,134, granted November 23, 1897,

of Frank L. Furbush, of Graniteville, Massachusetts, for an upon the application improvement in Bagging-Machines, errors appear in the printed specification requiring the the following correction: In lines 40 and 45, page 2, the hyphens between the words shift and rod should be stricken out and in lines 43 and 45, same page,

the Words rod should be stricken out; and that the said Letters Patent should be read With these corrections therein that the same may conform to the record of the case in the Patent Office.

Signed, countersigned, and sealed this 18th day of January, A. D., 1898.

[SEAL.] WEBSTER DAVIS,

Assistant Secretary of the Interior. Countersigned A. P. GREEIVAEY,

Acting Commissioner of Patents. 

